Fix warnings from the IDE

Julien LepillerWed Jun 10 23:54:17+0200 2020

36af59b

nani/app/furiganatextview/src/test/java
namelast commitdate
eu/Add furiganaMon Apr 15 20:09:48+0200 2019
se/Add furiganaMon Apr 15 20:09:48+0200 2019